21622722

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 50941440

約数和(自身を除く): 29318718

約数列:

[1, 2, 3, 6, 11, 19, 22, 33, 38, 43, 57, 66, 86, 114, 129, 209, 258, 401, 418, 473, 627, 802, 817, 946, 1203, 1254, 1419, 1634, 2406, 2451, 2838, 4411, 4902, 7619, 8822, 8987, 13233, 15238, 17243, 17974, 22857, 26466, 26961, 34486, 45714, 51729, 53922, 83809, 103458, 167618, 189673, 251427, 327617, 379346, 502854, 569019, 655234, 982851, 1138038, 1965702, 3603787, 7207574, 10811361, 21622722]

約数ペア:

[(1, 21622722), (2, 10811361), (3, 7207574), (6, 3603787), (11, 1965702), (19, 1138038), (22, 982851), (33, 655234), (38, 569019), (43, 502854), (57, 379346), (66, 327617), (86, 251427), (114, 189673), (129, 167618), (209, 103458), (258, 83809), (401, 53922), (418, 51729), (473, 45714), (627, 34486), (802, 26961), (817, 26466), (946, 22857), (1203, 17974), (1254, 17243), (1419, 15238), (1634, 13233), (2406, 8987), (2451, 8822), (2838, 7619), (4411, 4902)]