21631896

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 69713280

約数和(自身を除く): 48081384

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 121, 132, 143, 156, 191, 198, 234, 242, 264, 286, 312, 363, 382, 396, 429, 468, 484, 572, 573, 726, 764, 792, 858, 936, 968, 1089, 1144, 1146, 1287, 1452, 1528, 1573, 1716, 1719, 2101, 2178, 2292, 2483, 2574, 2904, 3146, 3432, 3438, 4202, 4356, 4584, 4719, 4966, 5148, 6292, 6303, 6876, 7449, 8404, 8712, 9438, 9932, 10296, 12584, 12606, 13752, 14157, 14898, 16808, 18876, 18909, 19864, 22347, 23111, 25212, 27313, 28314, 29796, 37752, 37818, 44694, 46222, 50424, 54626, 56628, 59592, 69333, 75636, 81939, 89388, 92444, 109252, 113256, 138666, 151272, 163878, 178776, 184888, 207999, 218504, 245817, 277332, 300443, 327756, 415998, 491634, 554664, 600886, 655512, 831996, 901329, 983268, 1201772, 1663992, 1802658, 1966536, 2403544, 2703987, 3605316, 5407974, 7210632, 10815948, 21631896]

約数ペア:

[(1, 21631896), (2, 10815948), (3, 7210632), (4, 5407974), (6, 3605316), (8, 2703987), (9, 2403544), (11, 1966536), (12, 1802658), (13, 1663992), (18, 1201772), (22, 983268), (24, 901329), (26, 831996), (33, 655512), (36, 600886), (39, 554664), (44, 491634), (52, 415998), (66, 327756), (72, 300443), (78, 277332), (88, 245817), (99, 218504), (104, 207999), (117, 184888), (121, 178776), (132, 163878), (143, 151272), (156, 138666), (191, 113256), (198, 109252), (234, 92444), (242, 89388), (264, 81939), (286, 75636), (312, 69333), (363, 59592), (382, 56628), (396, 54626), (429, 50424), (468, 46222), (484, 44694), (572, 37818), (573, 37752), (726, 29796), (764, 28314), (792, 27313), (858, 25212), (936, 23111), (968, 22347), (1089, 19864), (1144, 18909), (1146, 18876), (1287, 16808), (1452, 14898), (1528, 14157), (1573, 13752), (1716, 12606), (1719, 12584), (2101, 10296), (2178, 9932), (2292, 9438), (2483, 8712), (2574, 8404), (2904, 7449), (3146, 6876), (3432, 6303), (3438, 6292), (4202, 5148), (4356, 4966), (4584, 4719)]