21167357900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{929}}^1\times {\mathrm{1031}}^1$

素因数の和:2004

約数の個数: 144

約数和(自身を含む): 52483515840

約数和(自身を除く): 31316157940

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 929, 1031, 1105, 1300, 1700, 1858, 2062, 2210, 3716, 4124, 4420, 4645, 5155, 5525, 9290, 10310, 11050, 12077, 13403, 15793, 17527, 18580, 20620, 22100, 23225, 24154, 25775, 26806, 31586, 35054, 46450, 48308, 51550, 53612, 60385, 63172, 67015, 70108, 78965, 87635, 92900, 103100, 120770, 134030, 157930, 175270, 205309, 227851, 241540, 268060, 301925, 315860, 335075, 350540, 394825, 410618, 438175, 455702, 603850, 670150, 789650, 821236, 876350, 911404, 957799, 1026545, 1139255, 1207700, 1340300, 1579300, 1752700, 1915598, 2053090, 2278510, 3831196, 4106180, 4557020, 4788995, 5132725, 5696275, 9577990, 10265450, 11392550, 12451387, 16282583, 19155980, 20530900, 22785100, 23944975, 24902774, 32565166, 47889950, 49805548, 62256935, 65130332, 81412915, 95779900, 124513870, 162825830, 211673579, 249027740, 311284675, 325651660, 407064575, 423347158, 622569350, 814129150, 846694316, 1058367895, 1245138700, 1628258300, 2116735790, 4233471580, 5291839475, 10583678950, 21167357900]

約数ペア:

[(1, 21167357900), (2, 10583678950), (4, 5291839475), (5, 4233471580), (10, 2116735790), (13, 1628258300), (17, 1245138700), (20, 1058367895), (25, 846694316), (26, 814129150), (34, 622569350), (50, 423347158), (52, 407064575), (65, 325651660), (68, 311284675), (85, 249027740), (100, 211673579), (130, 162825830), (170, 124513870), (221, 95779900), (260, 81412915), (325, 65130332), (340, 62256935), (425, 49805548), (442, 47889950), (650, 32565166), (850, 24902774), (884, 23944975), (929, 22785100), (1031, 20530900), (1105, 19155980), (1300, 16282583), (1700, 12451387), (1858, 11392550), (2062, 10265450), (2210, 9577990), (3716, 5696275), (4124, 5132725), (4420, 4788995), (4645, 4557020), (5155, 4106180), (5525, 3831196), (9290, 2278510), (10310, 2053090), (11050, 1915598), (12077, 1752700), (13403, 1579300), (15793, 1340300), (17527, 1207700), (18580, 1139255), (20620, 1026545), (22100, 957799), (23225, 911404), (24154, 876350), (25775, 821236), (26806, 789650), (31586, 670150), (35054, 603850), (46450, 455702), (48308, 438175), (51550, 410618), (53612, 394825), (60385, 350540), (63172, 335075), (67015, 315860), (70108, 301925), (78965, 268060), (87635, 241540), (92900, 227851), (103100, 205309), (120770, 175270), (134030, 157930)]