21263669300

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{853}}^1\times {\mathrm{3511}}^1$

素因数の和:4449

約数の個数: 72

約数和(自身を含む): 46860250752

約数和(自身を除く): 25596581452

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 853, 1420, 1706, 1775, 3412, 3511, 3550, 4265, 7022, 7100, 8530, 14044, 17060, 17555, 21325, 35110, 42650, 60563, 70220, 85300, 87775, 121126, 175550, 242252, 249281, 302815, 351100, 498562, 605630, 997124, 1211260, 1246405, 1514075, 2492810, 2994883, 3028150, 4985620, 5989766, 6056300, 6232025, 11979532, 12464050, 14974415, 24928100, 29948830, 59897660, 74872075, 149744150, 212636693, 299488300, 425273386, 850546772, 1063183465, 2126366930, 4252733860, 5315917325, 10631834650, 21263669300]

約数ペア:

[(1, 21263669300), (2, 10631834650), (4, 5315917325), (5, 4252733860), (10, 2126366930), (20, 1063183465), (25, 850546772), (50, 425273386), (71, 299488300), (100, 212636693), (142, 149744150), (284, 74872075), (355, 59897660), (710, 29948830), (853, 24928100), (1420, 14974415), (1706, 12464050), (1775, 11979532), (3412, 6232025), (3511, 6056300), (3550, 5989766), (4265, 4985620), (7022, 3028150), (7100, 2994883), (8530, 2492810), (14044, 1514075), (17060, 1246405), (17555, 1211260), (21325, 997124), (35110, 605630), (42650, 498562), (60563, 351100), (70220, 302815), (85300, 249281), (87775, 242252), (121126, 175550)]