21210390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4621}}^1$

素因数の和:4654

約数の個数: 64

約数和(自身を含む): 59901120

約数和(自身を除く): 38690730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 4621, 9242, 13863, 23105, 27726, 41589, 46210, 69315, 78557, 83178, 124767, 138630, 157114, 207945, 235671, 249534, 392785, 415890, 471342, 623835, 707013, 785570, 1178355, 1247670, 1414026, 2121039, 2356710, 3535065, 4242078, 7070130, 10605195, 21210390]

約数ペア:

[(1, 21210390), (2, 10605195), (3, 7070130), (5, 4242078), (6, 3535065), (9, 2356710), (10, 2121039), (15, 1414026), (17, 1247670), (18, 1178355), (27, 785570), (30, 707013), (34, 623835), (45, 471342), (51, 415890), (54, 392785), (85, 249534), (90, 235671), (102, 207945), (135, 157114), (153, 138630), (170, 124767), (255, 83178), (270, 78557), (306, 69315), (459, 46210), (510, 41589), (765, 27726), (918, 23105), (1530, 13863), (2295, 9242), (4590, 4621)]