21675654

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:443

約数の個数: 128

約数和(自身を含む): 64834560

約数和(自身を除く): 43158906

約数列:

[1, 2, 3, 6, 7, 9, 11, 13, 14, 18, 21, 22, 26, 27, 33, 39, 42, 54, 63, 66, 77, 78, 91, 99, 117, 126, 143, 154, 182, 189, 198, 231, 234, 273, 286, 297, 351, 378, 401, 429, 462, 546, 594, 693, 702, 802, 819, 858, 1001, 1203, 1287, 1386, 1638, 2002, 2079, 2406, 2457, 2574, 2807, 3003, 3609, 3861, 4158, 4411, 4914, 5213, 5614, 6006, 7218, 7722, 8421, 8822, 9009, 10426, 10827, 13233, 15639, 16842, 18018, 21654, 25263, 26466, 27027, 30877, 31278, 36491, 39699, 46917, 50526, 54054, 57343, 61754, 72982, 75789, 79398, 92631, 93834, 109473, 114686, 119097, 140751, 151578, 172029, 185262, 218946, 238194, 277893, 281502, 328419, 344058, 401401, 516087, 555786, 656838, 802802, 833679, 985257, 1032174, 1204203, 1548261, 1667358, 1970514, 2408406, 3096522, 3612609, 7225218, 10837827, 21675654]

約数ペア:

[(1, 21675654), (2, 10837827), (3, 7225218), (6, 3612609), (7, 3096522), (9, 2408406), (11, 1970514), (13, 1667358), (14, 1548261), (18, 1204203), (21, 1032174), (22, 985257), (26, 833679), (27, 802802), (33, 656838), (39, 555786), (42, 516087), (54, 401401), (63, 344058), (66, 328419), (77, 281502), (78, 277893), (91, 238194), (99, 218946), (117, 185262), (126, 172029), (143, 151578), (154, 140751), (182, 119097), (189, 114686), (198, 109473), (231, 93834), (234, 92631), (273, 79398), (286, 75789), (297, 72982), (351, 61754), (378, 57343), (401, 54054), (429, 50526), (462, 46917), (546, 39699), (594, 36491), (693, 31278), (702, 30877), (802, 27027), (819, 26466), (858, 25263), (1001, 21654), (1203, 18018), (1287, 16842), (1386, 15639), (1638, 13233), (2002, 10827), (2079, 10426), (2406, 9009), (2457, 8822), (2574, 8421), (2807, 7722), (3003, 7218), (3609, 6006), (3861, 5614), (4158, 5213), (4411, 4914)]