21478887364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{6689}}^1$

素因数の和:6913

約数の個数: 96

約数和(自身を含む): 45316454400

約数和(自身を除く): 23837567036

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 167, 209, 253, 334, 418, 437, 506, 668, 836, 874, 1012, 1748, 1837, 3173, 3674, 3841, 4807, 6346, 6689, 7348, 7682, 9614, 12692, 13378, 15364, 19228, 26756, 34903, 42251, 69806, 72979, 73579, 84502, 127091, 139612, 145958, 147158, 153847, 169004, 254182, 291916, 294316, 307694, 508364, 615388, 802769, 1117063, 1398001, 1605538, 1692317, 2234126, 2796002, 2923093, 3211076, 3384634, 4468252, 5592004, 5846186, 6769268, 11692372, 12287693, 21224197, 24575386, 25692449, 32154023, 42448394, 49150772, 51384898, 64308046, 84896788, 102769796, 128616092, 233466167, 282616939, 466932334, 488156531, 565233878, 933864668, 976313062, 1130467756, 1952626124, 5369721841, 10739443682, 21478887364]

約数ペア:

[(1, 21478887364), (2, 10739443682), (4, 5369721841), (11, 1952626124), (19, 1130467756), (22, 976313062), (23, 933864668), (38, 565233878), (44, 488156531), (46, 466932334), (76, 282616939), (92, 233466167), (167, 128616092), (209, 102769796), (253, 84896788), (334, 64308046), (418, 51384898), (437, 49150772), (506, 42448394), (668, 32154023), (836, 25692449), (874, 24575386), (1012, 21224197), (1748, 12287693), (1837, 11692372), (3173, 6769268), (3674, 5846186), (3841, 5592004), (4807, 4468252), (6346, 3384634), (6689, 3211076), (7348, 2923093), (7682, 2796002), (9614, 2234126), (12692, 1692317), (13378, 1605538), (15364, 1398001), (19228, 1117063), (26756, 802769), (34903, 615388), (42251, 508364), (69806, 307694), (72979, 294316), (73579, 291916), (84502, 254182), (127091, 169004), (139612, 153847), (145958, 147158)]