21007343896

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4871833}}^1$

素因数の和:4871864

約数の個数: 48

約数和(自身を含む): 49985016840

約数和(自身を除く): 28977672944

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 4871833, 9743666, 19487332, 34102831, 38974664, 53590163, 68205662, 107180326, 136411324, 214360652, 238719817, 272822648, 375131141, 428721304, 477439634, 750262282, 954879268, 1500524564, 1909758536, 2625917987, 3001049128, 5251835974, 10503671948, 21007343896]

約数ペア:

[(1, 21007343896), (2, 10503671948), (4, 5251835974), (7, 3001049128), (8, 2625917987), (11, 1909758536), (14, 1500524564), (22, 954879268), (28, 750262282), (44, 477439634), (49, 428721304), (56, 375131141), (77, 272822648), (88, 238719817), (98, 214360652), (154, 136411324), (196, 107180326), (308, 68205662), (392, 53590163), (539, 38974664), (616, 34102831), (1078, 19487332), (2156, 9743666), (4312, 4871833)]