21508701186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1069}}^1\times {\mathrm{2939}}^1$

素因数の和:4183

約数の個数: 64

約数和(自身を含む): 49527475200

約数和(自身を除く): 28018774014

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 163, 326, 489, 978, 1069, 1141, 2138, 2282, 2939, 3207, 3423, 5878, 6414, 6846, 7483, 8817, 14966, 17634, 20573, 22449, 41146, 44898, 61719, 123438, 174247, 348494, 479057, 522741, 958114, 1045482, 1219729, 1437171, 2439458, 2874342, 3141791, 3353399, 3659187, 6283582, 6706798, 7318374, 9425373, 10060197, 18850746, 20120394, 21992537, 43985074, 65977611, 131955222, 512111933, 1024223866, 1536335799, 3072671598, 3584783531, 7169567062, 10754350593, 21508701186]

約数ペア:

[(1, 21508701186), (2, 10754350593), (3, 7169567062), (6, 3584783531), (7, 3072671598), (14, 1536335799), (21, 1024223866), (42, 512111933), (163, 131955222), (326, 65977611), (489, 43985074), (978, 21992537), (1069, 20120394), (1141, 18850746), (2138, 10060197), (2282, 9425373), (2939, 7318374), (3207, 6706798), (3423, 6283582), (5878, 3659187), (6414, 3353399), (6846, 3141791), (7483, 2874342), (8817, 2439458), (14966, 1437171), (17634, 1219729), (20573, 1045482), (22449, 958114), (41146, 522741), (44898, 479057), (61719, 348494), (123438, 174247)]