21644049.000000000

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:890

約数の個数: 96

約数和(自身を含む): 1378615680

約数和(自身を除く): 865133010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 37, 45, 74, 90, 111, 185, 222, 271, 333, 370, 542, 555, 569, 666, 813, 1110, 1138, 1355, 1626, 1665, 1707, 2439, 2710, 2845, 3330, 3414, 4065, 4878, 5121, 5690, 8130, 8535, 10027, 10242, 12195, 17070, 20054, 21053, 24390, 25605, 30081, 42106, 50135, 51210, 60162, 63159, 90243, 100270, 105265, 126318, 150405, 154199, 180486, 189477, 210530, 300810, 308398, 315795, 378954, 451215, 462597, 631590, 770995, 902430, 925194, 947385, 1387791, 1541990, 1894770, 2312985, 2775582, 4625970, 5705363, 6938955, 11410726, 13877910, 17116089, 28526815, 34232178, 51348267, 57053630, 85580445, 102696534, 171160890, 256741335, 513482670]

約数ペア:

[(1, 513482670), (2, 256741335), (3, 171160890), (5, 102696534), (6, 85580445), (9, 57053630), (10, 51348267), (15, 34232178), (18, 28526815), (30, 17116089), (37, 13877910), (45, 11410726), (74, 6938955), (90, 5705363), (111, 4625970), (185, 2775582), (222, 2312985), (271, 1894770), (333, 1541990), (370, 1387791), (542, 947385), (555, 925194), (569, 902430), (666, 770995), (813, 631590), (1110, 462597), (1138, 451215), (1355, 378954), (1626, 315795), (1665, 308398), (1707, 300810), (2439, 210530), (2710, 189477), (2845, 180486), (3330, 154199), (3414, 150405), (4065, 126318), (4878, 105265), (5121, 100270), (5690, 90243), (8130, 63159), (8535, 60162), (10027, 51210), (10242, 50135), (12195, 42106), (17070, 30081), (20054, 25605), (21053, 24390)]