21756042

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1427}}^1$

素因数の和:1464

約数の個数: 72

約数和(自身を含む): 59256288

約数和(自身を除く): 37500246

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1386, 1427, 1694, 2178, 2541, 2854, 4281, 5082, 7623, 8562, 9989, 12843, 15246, 15697, 19978, 25686, 29967, 31394, 47091, 59934, 89901, 94182, 109879, 141273, 172667, 179802, 219758, 282546, 329637, 345334, 518001, 659274, 988911, 1036002, 1208669, 1554003, 1977822, 2417338, 3108006, 3626007, 7252014, 10878021, 21756042]

約数ペア:

[(1, 21756042), (2, 10878021), (3, 7252014), (6, 3626007), (7, 3108006), (9, 2417338), (11, 1977822), (14, 1554003), (18, 1208669), (21, 1036002), (22, 988911), (33, 659274), (42, 518001), (63, 345334), (66, 329637), (77, 282546), (99, 219758), (121, 179802), (126, 172667), (154, 141273), (198, 109879), (231, 94182), (242, 89901), (363, 59934), (462, 47091), (693, 31394), (726, 29967), (847, 25686), (1089, 19978), (1386, 15697), (1427, 15246), (1694, 12843), (2178, 9989), (2541, 8562), (2854, 7623), (4281, 5082)]