21261408

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1091}}^1$

素因数の和:1140

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44782752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 84, 87, 96, 112, 116, 168, 174, 203, 224, 232, 336, 348, 406, 464, 609, 672, 696, 812, 928, 1091, 1218, 1392, 1624, 2182, 2436, 2784, 3248, 3273, 4364, 4872, 6496, 6546, 7637, 8728, 9744, 13092, 15274, 17456, 19488, 22911, 26184, 30548, 31639, 34912, 45822, 52368, 61096, 63278, 91644, 94917, 104736, 122192, 126556, 183288, 189834, 221473, 244384, 253112, 366576, 379668, 442946, 506224, 664419, 733152, 759336, 885892, 1012448, 1328838, 1518672, 1771784, 2657676, 3037344, 3543568, 5315352, 7087136, 10630704, 21261408]

約数ペア:

[(1, 21261408), (2, 10630704), (3, 7087136), (4, 5315352), (6, 3543568), (7, 3037344), (8, 2657676), (12, 1771784), (14, 1518672), (16, 1328838), (21, 1012448), (24, 885892), (28, 759336), (29, 733152), (32, 664419), (42, 506224), (48, 442946), (56, 379668), (58, 366576), (84, 253112), (87, 244384), (96, 221473), (112, 189834), (116, 183288), (168, 126556), (174, 122192), (203, 104736), (224, 94917), (232, 91644), (336, 63278), (348, 61096), (406, 52368), (464, 45822), (609, 34912), (672, 31639), (696, 30548), (812, 26184), (928, 22911), (1091, 19488), (1218, 17456), (1392, 15274), (1624, 13092), (2182, 9744), (2436, 8728), (2784, 7637), (3248, 6546), (3273, 6496), (4364, 4872)]