21496719486

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1\times {\mathrm{20219}}^1$

素因数の和:20505

約数の個数: 64

約数和(自身を含む): 47693318400

約数和(自身を除く): 26196598914

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 178, 181, 267, 362, 534, 543, 979, 1086, 1958, 1991, 2937, 3982, 5874, 5973, 11946, 16109, 20219, 32218, 40438, 48327, 60657, 96654, 121314, 177199, 222409, 354398, 444818, 531597, 667227, 1063194, 1334454, 1799491, 3598982, 3659639, 5398473, 7319278, 10796946, 10978917, 19794401, 21957834, 39588802, 40256029, 59383203, 80512058, 118766406, 120768087, 241536174, 325707871, 651415742, 977123613, 1954247226, 3582786581, 7165573162, 10748359743, 21496719486]

約数ペア:

[(1, 21496719486), (2, 10748359743), (3, 7165573162), (6, 3582786581), (11, 1954247226), (22, 977123613), (33, 651415742), (66, 325707871), (89, 241536174), (178, 120768087), (181, 118766406), (267, 80512058), (362, 59383203), (534, 40256029), (543, 39588802), (979, 21957834), (1086, 19794401), (1958, 10978917), (1991, 10796946), (2937, 7319278), (3982, 5398473), (5874, 3659639), (5973, 3598982), (11946, 1799491), (16109, 1334454), (20219, 1063194), (32218, 667227), (40438, 531597), (48327, 444818), (60657, 354398), (96654, 222409), (121314, 177199)]