21090789828

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{1553}}^1\times {\mathrm{3067}}^1$

素因数の和:4674

約数の個数: 96

約数和(自身を含む): 56067822720

約数和(自身を除く): 34977032892

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 1553, 2214, 3067, 3106, 4428, 4659, 6134, 6212, 9201, 9318, 12268, 13977, 18402, 18636, 27603, 27954, 36804, 41931, 55206, 55908, 63673, 82809, 83862, 110412, 125747, 127346, 165618, 167724, 191019, 251494, 254692, 331236, 377241, 382038, 502988, 573057, 754482, 764076, 1131723, 1146114, 1508964, 1719171, 2263446, 2292228, 3395169, 3438342, 4526892, 4763051, 6790338, 6876684, 9526102, 13580676, 14289153, 19052204, 28578306, 42867459, 57156612, 85734918, 128602377, 171469836, 195285091, 257204754, 390570182, 514409508, 585855273, 781140364, 1171710546, 1757565819, 2343421092, 3515131638, 5272697457, 7030263276, 10545394914, 21090789828]

約数ペア:

[(1, 21090789828), (2, 10545394914), (3, 7030263276), (4, 5272697457), (6, 3515131638), (9, 2343421092), (12, 1757565819), (18, 1171710546), (27, 781140364), (36, 585855273), (41, 514409508), (54, 390570182), (82, 257204754), (108, 195285091), (123, 171469836), (164, 128602377), (246, 85734918), (369, 57156612), (492, 42867459), (738, 28578306), (1107, 19052204), (1476, 14289153), (1553, 13580676), (2214, 9526102), (3067, 6876684), (3106, 6790338), (4428, 4763051), (4659, 4526892), (6134, 3438342), (6212, 3395169), (9201, 2292228), (9318, 2263446), (12268, 1719171), (13977, 1508964), (18402, 1146114), (18636, 1131723), (27603, 764076), (27954, 754482), (36804, 573057), (41931, 502988), (55206, 382038), (55908, 377241), (63673, 331236), (82809, 254692), (83862, 251494), (110412, 191019), (125747, 167724), (127346, 165618)]