21928032

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 72727200

約数和(自身を除く): 50799168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 73, 84, 96, 112, 126, 144, 146, 149, 168, 219, 224, 252, 288, 292, 298, 336, 438, 447, 504, 511, 584, 596, 657, 672, 876, 894, 1008, 1022, 1043, 1168, 1192, 1314, 1341, 1533, 1752, 1788, 2016, 2044, 2086, 2336, 2384, 2628, 2682, 3066, 3129, 3504, 3576, 4088, 4172, 4599, 4768, 5256, 5364, 6132, 6258, 7008, 7152, 8176, 8344, 9198, 9387, 10512, 10728, 10877, 12264, 12516, 14304, 16352, 16688, 18396, 18774, 21024, 21456, 21754, 24528, 25032, 32631, 33376, 36792, 37548, 42912, 43508, 49056, 50064, 65262, 73584, 75096, 76139, 87016, 97893, 100128, 130524, 147168, 150192, 152278, 174032, 195786, 228417, 261048, 300384, 304556, 348064, 391572, 456834, 522096, 609112, 685251, 783144, 913668, 1044192, 1218224, 1370502, 1566288, 1827336, 2436448, 2741004, 3132576, 3654672, 5482008, 7309344, 10964016, 21928032]

約数ペア:

[(1, 21928032), (2, 10964016), (3, 7309344), (4, 5482008), (6, 3654672), (7, 3132576), (8, 2741004), (9, 2436448), (12, 1827336), (14, 1566288), (16, 1370502), (18, 1218224), (21, 1044192), (24, 913668), (28, 783144), (32, 685251), (36, 609112), (42, 522096), (48, 456834), (56, 391572), (63, 348064), (72, 304556), (73, 300384), (84, 261048), (96, 228417), (112, 195786), (126, 174032), (144, 152278), (146, 150192), (149, 147168), (168, 130524), (219, 100128), (224, 97893), (252, 87016), (288, 76139), (292, 75096), (298, 73584), (336, 65262), (438, 50064), (447, 49056), (504, 43508), (511, 42912), (584, 37548), (596, 36792), (657, 33376), (672, 32631), (876, 25032), (894, 24528), (1008, 21754), (1022, 21456), (1043, 21024), (1168, 18774), (1192, 18396), (1314, 16688), (1341, 16352), (1533, 14304), (1752, 12516), (1788, 12264), (2016, 10877), (2044, 10728), (2086, 10512), (2336, 9387), (2384, 9198), (2628, 8344), (2682, 8176), (3066, 7152), (3129, 7008), (3504, 6258), (3576, 6132), (4088, 5364), (4172, 5256), (4599, 4768)]