21609108

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 60790912

約数和(自身を除く): 39181804

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 31, 34, 36, 51, 62, 67, 68, 93, 102, 124, 134, 153, 186, 201, 204, 268, 279, 289, 306, 372, 402, 527, 558, 578, 603, 612, 804, 867, 1054, 1116, 1139, 1156, 1206, 1581, 1734, 2077, 2108, 2278, 2412, 2601, 3162, 3417, 3468, 4154, 4556, 4743, 5202, 6231, 6324, 6834, 8308, 8959, 9486, 10251, 10404, 12462, 13668, 17918, 18693, 18972, 19363, 20502, 24924, 26877, 35309, 35836, 37386, 38726, 41004, 53754, 58089, 70618, 74772, 77452, 80631, 105927, 107508, 116178, 141236, 161262, 174267, 211854, 232356, 317781, 322524, 348534, 423708, 600253, 635562, 697068, 1200506, 1271124, 1800759, 2401012, 3601518, 5402277, 7203036, 10804554, 21609108]

約数ペア:

[(1, 21609108), (2, 10804554), (3, 7203036), (4, 5402277), (6, 3601518), (9, 2401012), (12, 1800759), (17, 1271124), (18, 1200506), (31, 697068), (34, 635562), (36, 600253), (51, 423708), (62, 348534), (67, 322524), (68, 317781), (93, 232356), (102, 211854), (124, 174267), (134, 161262), (153, 141236), (186, 116178), (201, 107508), (204, 105927), (268, 80631), (279, 77452), (289, 74772), (306, 70618), (372, 58089), (402, 53754), (527, 41004), (558, 38726), (578, 37386), (603, 35836), (612, 35309), (804, 26877), (867, 24924), (1054, 20502), (1116, 19363), (1139, 18972), (1156, 18693), (1206, 17918), (1581, 13668), (1734, 12462), (2077, 10404), (2108, 10251), (2278, 9486), (2412, 8959), (2601, 8308), (3162, 6834), (3417, 6324), (3468, 6231), (4154, 5202), (4556, 4743)]