21430500

素因数分解:

$2^2\times 3^1\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:199

約数の個数: 192

約数和(自身を含む): 77296128

約数和(自身を除く): 55865628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 125, 130, 140, 150, 156, 157, 175, 182, 195, 210, 250, 260, 273, 300, 314, 325, 350, 364, 375, 390, 420, 455, 471, 500, 525, 546, 628, 650, 700, 750, 780, 785, 875, 910, 942, 975, 1050, 1092, 1099, 1300, 1365, 1500, 1570, 1625, 1750, 1820, 1884, 1950, 2041, 2100, 2198, 2275, 2355, 2625, 2730, 3140, 3250, 3297, 3500, 3900, 3925, 4082, 4396, 4550, 4710, 4875, 5250, 5460, 5495, 6123, 6500, 6594, 6825, 7850, 8164, 9100, 9420, 9750, 10205, 10500, 10990, 11375, 11775, 12246, 13188, 13650, 14287, 15700, 16485, 19500, 19625, 20410, 21980, 22750, 23550, 24492, 27300, 27475, 28574, 30615, 32970, 34125, 39250, 40820, 42861, 45500, 47100, 51025, 54950, 57148, 58875, 61230, 65940, 68250, 71435, 78500, 82425, 85722, 102050, 109900, 117750, 122460, 136500, 137375, 142870, 153075, 164850, 171444, 204100, 214305, 235500, 255125, 274750, 285740, 306150, 329700, 357175, 412125, 428610, 510250, 549500, 612300, 714350, 765375, 824250, 857220, 1020500, 1071525, 1428700, 1530750, 1648500, 1785875, 2143050, 3061500, 3571750, 4286100, 5357625, 7143500, 10715250, 21430500]

約数ペア:

[(1, 21430500), (2, 10715250), (3, 7143500), (4, 5357625), (5, 4286100), (6, 3571750), (7, 3061500), (10, 2143050), (12, 1785875), (13, 1648500), (14, 1530750), (15, 1428700), (20, 1071525), (21, 1020500), (25, 857220), (26, 824250), (28, 765375), (30, 714350), (35, 612300), (39, 549500), (42, 510250), (50, 428610), (52, 412125), (60, 357175), (65, 329700), (70, 306150), (75, 285740), (78, 274750), (84, 255125), (91, 235500), (100, 214305), (105, 204100), (125, 171444), (130, 164850), (140, 153075), (150, 142870), (156, 137375), (157, 136500), (175, 122460), (182, 117750), (195, 109900), (210, 102050), (250, 85722), (260, 82425), (273, 78500), (300, 71435), (314, 68250), (325, 65940), (350, 61230), (364, 58875), (375, 57148), (390, 54950), (420, 51025), (455, 47100), (471, 45500), (500, 42861), (525, 40820), (546, 39250), (628, 34125), (650, 32970), (700, 30615), (750, 28574), (780, 27475), (785, 27300), (875, 24492), (910, 23550), (942, 22750), (975, 21980), (1050, 20410), (1092, 19625), (1099, 19500), (1300, 16485), (1365, 15700), (1500, 14287), (1570, 13650), (1625, 13188), (1750, 12246), (1820, 11775), (1884, 11375), (1950, 10990), (2041, 10500), (2100, 10205), (2198, 9750), (2275, 9420), (2355, 9100), (2625, 8164), (2730, 7850), (3140, 6825), (3250, 6594), (3297, 6500), (3500, 6123), (3900, 5495), (3925, 5460), (4082, 5250), (4396, 4875), (4550, 4710)]