21803628

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3371}}^1$

素因数の和:3403

約数の個数: 72

約数和(自身を含む): 64580544

約数和(自身を除く): 42776916

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 49, 66, 77, 84, 98, 132, 147, 154, 196, 231, 294, 308, 462, 539, 588, 924, 1078, 1617, 2156, 3234, 3371, 6468, 6742, 10113, 13484, 20226, 23597, 37081, 40452, 47194, 70791, 74162, 94388, 111243, 141582, 148324, 165179, 222486, 259567, 283164, 330358, 444972, 495537, 519134, 660716, 778701, 991074, 1038268, 1557402, 1816969, 1982148, 3114804, 3633938, 5450907, 7267876, 10901814, 21803628]

約数ペア:

[(1, 21803628), (2, 10901814), (3, 7267876), (4, 5450907), (6, 3633938), (7, 3114804), (11, 1982148), (12, 1816969), (14, 1557402), (21, 1038268), (22, 991074), (28, 778701), (33, 660716), (42, 519134), (44, 495537), (49, 444972), (66, 330358), (77, 283164), (84, 259567), (98, 222486), (132, 165179), (147, 148324), (154, 141582), (196, 111243), (231, 94388), (294, 74162), (308, 70791), (462, 47194), (539, 40452), (588, 37081), (924, 23597), (1078, 20226), (1617, 13484), (2156, 10113), (3234, 6742), (3371, 6468)]