21000612360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1923133}}^1$

素因数の和:1923167

約数の個数: 128

約数和(自身を含む): 77540762880

約数和(自身を除く): 56540150520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 1923133, 3846266, 5769399, 7692532, 9615665, 11538798, 13461931, 15385064, 19231330, 23077596, 25000729, 26923862, 28846995, 38462660, 40385793, 46155192, 50001458, 53847724, 57693990, 67309655, 75002187, 76925320, 80771586, 100002916, 107695448, 115387980, 125003645, 134619310, 150004374, 161543172, 175005103, 200005832, 201928965, 230775960, 250007290, 269238620, 300008748, 323086344, 350010206, 375010935, 403857930, 500014580, 525015309, 538477240, 600017496, 700020412, 750021870, 807715860, 875025515, 1000029160, 1050030618, 1400040824, 1500043740, 1615431720, 1750051030, 2100061236, 2625076545, 3000087480, 3500102060, 4200122472, 5250153090, 7000204120, 10500306180, 21000612360]

約数ペア:

[(1, 21000612360), (2, 10500306180), (3, 7000204120), (4, 5250153090), (5, 4200122472), (6, 3500102060), (7, 3000087480), (8, 2625076545), (10, 2100061236), (12, 1750051030), (13, 1615431720), (14, 1500043740), (15, 1400040824), (20, 1050030618), (21, 1000029160), (24, 875025515), (26, 807715860), (28, 750021870), (30, 700020412), (35, 600017496), (39, 538477240), (40, 525015309), (42, 500014580), (52, 403857930), (56, 375010935), (60, 350010206), (65, 323086344), (70, 300008748), (78, 269238620), (84, 250007290), (91, 230775960), (104, 201928965), (105, 200005832), (120, 175005103), (130, 161543172), (140, 150004374), (156, 134619310), (168, 125003645), (182, 115387980), (195, 107695448), (210, 100002916), (260, 80771586), (273, 76925320), (280, 75002187), (312, 67309655), (364, 57693990), (390, 53847724), (420, 50001458), (455, 46155192), (520, 40385793), (546, 38462660), (728, 28846995), (780, 26923862), (840, 25000729), (910, 23077596), (1092, 19231330), (1365, 15385064), (1560, 13461931), (1820, 11538798), (2184, 9615665), (2730, 7692532), (3640, 5769399), (5460, 3846266), (10920, 1923133)]