21209756520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{262627}}^1$

素因数の和:263314

約数の個数: 64

約数和(自身を含む): 63724057920

約数和(自身を除く): 42514301400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 673, 1346, 2019, 2692, 3365, 4038, 5384, 6730, 8076, 10095, 13460, 16152, 20190, 26920, 40380, 80760, 262627, 525254, 787881, 1050508, 1313135, 1575762, 2101016, 2626270, 3151524, 3939405, 5252540, 6303048, 7878810, 10505080, 15757620, 31515240, 176747971, 353495942, 530243913, 706991884, 883739855, 1060487826, 1413983768, 1767479710, 2120975652, 2651219565, 3534959420, 4241951304, 5302439130, 7069918840, 10604878260, 21209756520]

約数ペア:

[(1, 21209756520), (2, 10604878260), (3, 7069918840), (4, 5302439130), (5, 4241951304), (6, 3534959420), (8, 2651219565), (10, 2120975652), (12, 1767479710), (15, 1413983768), (20, 1060487826), (24, 883739855), (30, 706991884), (40, 530243913), (60, 353495942), (120, 176747971), (673, 31515240), (1346, 15757620), (2019, 10505080), (2692, 7878810), (3365, 6303048), (4038, 5252540), (5384, 3939405), (6730, 3151524), (8076, 2626270), (10095, 2101016), (13460, 1575762), (16152, 1313135), (20190, 1050508), (26920, 787881), (40380, 525254), (80760, 262627)]