21454230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{283}}^1$

素因数の和:338

約数の個数: 96

約数和(自身を含む): 62325504

約数和(自身を除く): 40871274

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 283, 285, 361, 399, 566, 570, 665, 722, 798, 849, 1083, 1330, 1415, 1698, 1805, 1981, 1995, 2166, 2527, 2830, 3610, 3962, 3990, 4245, 5054, 5377, 5415, 5943, 7581, 8490, 9905, 10754, 10830, 11886, 12635, 15162, 16131, 19810, 25270, 26885, 29715, 32262, 37639, 37905, 53770, 59430, 75278, 75810, 80655, 102163, 112917, 161310, 188195, 204326, 225834, 306489, 376390, 510815, 564585, 612978, 715141, 1021630, 1129170, 1430282, 1532445, 2145423, 3064890, 3575705, 4290846, 7151410, 10727115, 21454230]

約数ペア:

[(1, 21454230), (2, 10727115), (3, 7151410), (5, 4290846), (6, 3575705), (7, 3064890), (10, 2145423), (14, 1532445), (15, 1430282), (19, 1129170), (21, 1021630), (30, 715141), (35, 612978), (38, 564585), (42, 510815), (57, 376390), (70, 306489), (95, 225834), (105, 204326), (114, 188195), (133, 161310), (190, 112917), (210, 102163), (266, 80655), (283, 75810), (285, 75278), (361, 59430), (399, 53770), (566, 37905), (570, 37639), (665, 32262), (722, 29715), (798, 26885), (849, 25270), (1083, 19810), (1330, 16131), (1415, 15162), (1698, 12635), (1805, 11886), (1981, 10830), (1995, 10754), (2166, 9905), (2527, 8490), (2830, 7581), (3610, 5943), (3962, 5415), (3990, 5377), (4245, 5054)]