21845850

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:704

約数の個数: 96

約数和(自身を含む): 61871040

約数和(自身を除く): 40025190

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 25, 26, 30, 34, 39, 50, 51, 65, 75, 78, 85, 102, 130, 150, 170, 195, 221, 255, 325, 390, 425, 442, 510, 650, 659, 663, 850, 975, 1105, 1275, 1318, 1326, 1950, 1977, 2210, 2550, 3295, 3315, 3954, 5525, 6590, 6630, 8567, 9885, 11050, 11203, 16475, 16575, 17134, 19770, 22406, 25701, 32950, 33150, 33609, 42835, 49425, 51402, 56015, 67218, 85670, 98850, 112030, 128505, 145639, 168045, 214175, 257010, 280075, 291278, 336090, 428350, 436917, 560150, 642525, 728195, 840225, 873834, 1285050, 1456390, 1680450, 2184585, 3640975, 4369170, 7281950, 10922925, 21845850]

約数ペア:

[(1, 21845850), (2, 10922925), (3, 7281950), (5, 4369170), (6, 3640975), (10, 2184585), (13, 1680450), (15, 1456390), (17, 1285050), (25, 873834), (26, 840225), (30, 728195), (34, 642525), (39, 560150), (50, 436917), (51, 428350), (65, 336090), (75, 291278), (78, 280075), (85, 257010), (102, 214175), (130, 168045), (150, 145639), (170, 128505), (195, 112030), (221, 98850), (255, 85670), (325, 67218), (390, 56015), (425, 51402), (442, 49425), (510, 42835), (650, 33609), (659, 33150), (663, 32950), (850, 25701), (975, 22406), (1105, 19770), (1275, 17134), (1318, 16575), (1326, 16475), (1950, 11203), (1977, 11050), (2210, 9885), (2550, 8567), (3295, 6630), (3315, 6590), (3954, 5525)]