21128796

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 96

約数和(自身を含む): 59976000

約数和(自身を除く): 38847204

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 101, 108, 117, 149, 156, 202, 234, 298, 303, 351, 404, 447, 468, 596, 606, 702, 894, 909, 1212, 1313, 1341, 1404, 1788, 1818, 1937, 2626, 2682, 2727, 3636, 3874, 3939, 4023, 5252, 5364, 5454, 5811, 7748, 7878, 8046, 10908, 11622, 11817, 15049, 15756, 16092, 17433, 23244, 23634, 30098, 34866, 35451, 45147, 47268, 52299, 60196, 69732, 70902, 90294, 104598, 135441, 141804, 180588, 195637, 209196, 270882, 391274, 406323, 541764, 586911, 782548, 812646, 1173822, 1625292, 1760733, 2347644, 3521466, 5282199, 7042932, 10564398, 21128796]

約数ペア:

[(1, 21128796), (2, 10564398), (3, 7042932), (4, 5282199), (6, 3521466), (9, 2347644), (12, 1760733), (13, 1625292), (18, 1173822), (26, 812646), (27, 782548), (36, 586911), (39, 541764), (52, 406323), (54, 391274), (78, 270882), (101, 209196), (108, 195637), (117, 180588), (149, 141804), (156, 135441), (202, 104598), (234, 90294), (298, 70902), (303, 69732), (351, 60196), (404, 52299), (447, 47268), (468, 45147), (596, 35451), (606, 34866), (702, 30098), (894, 23634), (909, 23244), (1212, 17433), (1313, 16092), (1341, 15756), (1404, 15049), (1788, 11817), (1818, 11622), (1937, 10908), (2626, 8046), (2682, 7878), (2727, 7748), (3636, 5811), (3874, 5454), (3939, 5364), (4023, 5252)]