21474570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:160

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 39489270

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 41, 51, 65, 78, 79, 82, 85, 102, 123, 130, 158, 170, 195, 205, 221, 237, 246, 255, 390, 395, 410, 442, 474, 510, 533, 615, 663, 697, 790, 1027, 1066, 1105, 1185, 1230, 1326, 1343, 1394, 1599, 2054, 2091, 2210, 2370, 2665, 2686, 3081, 3198, 3239, 3315, 3485, 4029, 4182, 5135, 5330, 6162, 6478, 6630, 6715, 6970, 7995, 8058, 9061, 9717, 10270, 10455, 13430, 15405, 15990, 16195, 17459, 18122, 19434, 20145, 20910, 27183, 30810, 32390, 34918, 40290, 42107, 45305, 48585, 52377, 54366, 55063, 84214, 87295, 90610, 97170, 104754, 110126, 126321, 135915, 165189, 174590, 210535, 252642, 261885, 271830, 275315, 330378, 421070, 523770, 550630, 631605, 715819, 825945, 1263210, 1431638, 1651890, 2147457, 3579095, 4294914, 7158190, 10737285, 21474570]

約数ペア:

[(1, 21474570), (2, 10737285), (3, 7158190), (5, 4294914), (6, 3579095), (10, 2147457), (13, 1651890), (15, 1431638), (17, 1263210), (26, 825945), (30, 715819), (34, 631605), (39, 550630), (41, 523770), (51, 421070), (65, 330378), (78, 275315), (79, 271830), (82, 261885), (85, 252642), (102, 210535), (123, 174590), (130, 165189), (158, 135915), (170, 126321), (195, 110126), (205, 104754), (221, 97170), (237, 90610), (246, 87295), (255, 84214), (390, 55063), (395, 54366), (410, 52377), (442, 48585), (474, 45305), (510, 42107), (533, 40290), (615, 34918), (663, 32390), (697, 30810), (790, 27183), (1027, 20910), (1066, 20145), (1105, 19434), (1185, 18122), (1230, 17459), (1326, 16195), (1343, 15990), (1394, 15405), (1599, 13430), (2054, 10455), (2091, 10270), (2210, 9717), (2370, 9061), (2665, 8058), (2686, 7995), (3081, 6970), (3198, 6715), (3239, 6630), (3315, 6478), (3485, 6162), (4029, 5330), (4182, 5135)]