21840336

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:529

約数の個数: 120

約数和(自身を含む): 71495424

約数和(自身を除く): 49655088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 47, 48, 56, 63, 72, 84, 94, 112, 126, 141, 144, 168, 188, 252, 282, 329, 336, 376, 423, 461, 504, 564, 658, 752, 846, 922, 987, 1008, 1128, 1316, 1383, 1692, 1844, 1974, 2256, 2632, 2766, 2961, 3227, 3384, 3688, 3948, 4149, 5264, 5532, 5922, 6454, 6768, 7376, 7896, 8298, 9681, 11064, 11844, 12908, 15792, 16596, 19362, 21667, 22128, 23688, 25816, 29043, 33192, 38724, 43334, 47376, 51632, 58086, 65001, 66384, 77448, 86668, 116172, 130002, 151669, 154896, 173336, 195003, 232344, 260004, 303338, 346672, 390006, 455007, 464688, 520008, 606676, 780012, 910014, 1040016, 1213352, 1365021, 1560024, 1820028, 2426704, 2730042, 3120048, 3640056, 5460084, 7280112, 10920168, 21840336]

約数ペア:

[(1, 21840336), (2, 10920168), (3, 7280112), (4, 5460084), (6, 3640056), (7, 3120048), (8, 2730042), (9, 2426704), (12, 1820028), (14, 1560024), (16, 1365021), (18, 1213352), (21, 1040016), (24, 910014), (28, 780012), (36, 606676), (42, 520008), (47, 464688), (48, 455007), (56, 390006), (63, 346672), (72, 303338), (84, 260004), (94, 232344), (112, 195003), (126, 173336), (141, 154896), (144, 151669), (168, 130002), (188, 116172), (252, 86668), (282, 77448), (329, 66384), (336, 65001), (376, 58086), (423, 51632), (461, 47376), (504, 43334), (564, 38724), (658, 33192), (752, 29043), (846, 25816), (922, 23688), (987, 22128), (1008, 21667), (1128, 19362), (1316, 16596), (1383, 15792), (1692, 12908), (1844, 11844), (1974, 11064), (2256, 9681), (2632, 8298), (2766, 7896), (2961, 7376), (3227, 6768), (3384, 6454), (3688, 5922), (3948, 5532), (4149, 5264)]