21167772724

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1\times {\mathrm{4457}}^1$

素因数の和:6928

約数の個数: 48

約数和(自身を含む): 42959427840

約数和(自身を除く): 21791655116

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 2389, 4457, 4778, 8914, 9556, 16723, 17828, 31199, 33446, 62398, 66892, 124796, 169619, 316447, 339238, 632894, 678476, 1187333, 1265788, 2215129, 2374666, 4430258, 4749332, 8860516, 10647773, 21295546, 42591092, 74534411, 149068822, 298137644, 755991883, 1511983766, 3023967532, 5291943181, 10583886362, 21167772724]

約数ペア:

[(1, 21167772724), (2, 10583886362), (4, 5291943181), (7, 3023967532), (14, 1511983766), (28, 755991883), (71, 298137644), (142, 149068822), (284, 74534411), (497, 42591092), (994, 21295546), (1988, 10647773), (2389, 8860516), (4457, 4749332), (4778, 4430258), (8914, 2374666), (9556, 2215129), (16723, 1265788), (17828, 1187333), (31199, 678476), (33446, 632894), (62398, 339238), (66892, 316447), (124796, 169619)]